Pith Number

pith:WTFXB4H4

pith:2012:WTFXB4H4ANEX5XEUZXWXKLP2UM

not attested not anchored not stored refs pending

On a preferential attachment and generalized P\'{o}lya's urn model

Andrea Collevecchio, Codina Cotar, Marco LiCalzi

arxiv:1203.5758 v2 · 2012-03-26 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTFXB4H4ANEX5XEUZXWXKLP2UM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:30:53.868737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4cb70f0fc03497edc94cded752dfaa32e63fcb82db595f9dfe2d9a5dd507582

Aliases

arxiv: 1203.5758 · arxiv_version: 1203.5758v2 · doi: 10.48550/arxiv.1203.5758 · pith_short_12: WTFXB4H4ANEX · pith_short_16: WTFXB4H4ANEX5XEU · pith_short_8: WTFXB4H4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WTFXB4H4ANEX5XEUZXWXKLP2UM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b4cb70f0fc03497edc94cded752dfaa32e63fcb82db595f9dfe2d9a5dd507582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "724fe66004c8b8d86800cfe4b4b41e3d535f1ce5eb58d7313a2393357d47c05f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-03-26T18:41:28Z",
    "title_canon_sha256": "e8fd1a05b206845c3d63cb8126677daa317d10f68d4f47374b5aa3f992686a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5758",
    "kind": "arxiv",
    "version": 2
  }
}